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authorNobuhiro Iwamatsu <iwamatsu@nigauri.org>2010-02-08 11:50:16 +0900
committerNobuhiro Iwamatsu <iwamatsu@nigauri.org>2010-03-03 12:21:14 +0900
commitda5e083590bb62ca6d7f08d3714d07ba736da863 (patch)
tree459333ce3960eb49c45d3baafdcc4b102c199588 /include/asm-sh/unaligned.h
parentf3651764e57e353251695691677bd95ba5a420bc (diff)
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sh: Add asm/unaligned.h and asm/unaligned-sh4a.h from Linux kernel
zlib.c demands asm/unaligned.h. But, SH does not have these. This commit add asm/unaligned.h and asm/unaligned-sh4a.h from Linux kernel and modifyf for u-boot. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
Diffstat (limited to 'include/asm-sh/unaligned.h')
-rw-r--r--include/asm-sh/unaligned.h25
1 files changed, 25 insertions, 0 deletions
diff --git a/include/asm-sh/unaligned.h b/include/asm-sh/unaligned.h
new file mode 100644
index 0000000..2e0d164
--- /dev/null
+++ b/include/asm-sh/unaligned.h
@@ -0,0 +1,25 @@
+#ifndef _ASM_SH_UNALIGNED_H
+#define _ASM_SH_UNALIGNED_H
+
+/* Copy from linux-kernel. */
+
+#ifdef CONFIG_CPU_SH4A
+/* SH-4A can handle unaligned loads in a relatively neutered fashion. */
+#include <asm/unaligned-sh4a.h>
+#else
+/* Otherwise, SH can't handle unaligned accesses. */
+#include <compiler.h>
+#if defined(__BIG_ENDIAN__)
+#define get_unaligned __get_unaligned_be
+#define put_unaligned __put_unaligned_be
+#elif defined(__LITTLE_ENDIAN__)
+#define get_unaligned __get_unaligned_le
+#define put_unaligned __put_unaligned_le
+#endif
+
+#include <linux/unaligned/le_byteshift.h>
+#include <linux/unaligned/be_byteshift.h>
+#include <linux/unaligned/generic.h>
+#endif
+
+#endif /* _ASM_SH_UNALIGNED_H */